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Overheard: Ban on gay men donating bloodEditor's note: This post is part of the Overheard on CNN.com series, a regular feature that examines interesting comments and thought-provoking conversations posted by the community. Blood donations are down in the U.S. this summer. Gay men have been banned from donating blood because it has been connected to the spread of AIDS. But policymakers are re-examining that ban. The debate has raged among officials, and created a national conversation, as reflected in in CNN.com comments. 'Love for Alyssa': Examining arthrogryposisArthrogryposis has presented many challenges to Alyssa Jadyn Hagstrom. At just 8 years old, the condition has left her with no use of her legs and arms, and limited use of her fingers. Alyssa is the subject of photographer Jennifer Kaczmarek’s exhibition called “Love for Alyssa,” which aims to use photography, video and an online blog to raise funds for Alyssa’s and others’ medical needs. The project has put a spotlight on the little-known condition. Arthrogryposis causes limited range of motion in children’s joints and affects one in 3,000 infants, according to Donald Bae, an orthopedic surgeon at Boston Children’s Hospital. It's true - you can practice in your sleepNorthwestern University researchers are validating procrasti-nappers everywhere – they say a 90-minute nap can actually help in learning a new skill. At least when that skill is remembering a musical tune. Participants in the study, published June 26 in the scientific journal Nature Neuroscience, learned two different musical sequences on a computer screen while watching moving circles that went along with them, similar to video games such as Guitar Hero and Dance Dance Revolution. After practicing for 25 minutes, the participants took a 90-minute nap. The researchers monitored the participants’ brain activity, and when they entered the “slow wave sleep stage” - a period of deep sleep with occasional intervening periods of REM sleep - the psychologists played one of the two sequences quietly. Overheard on CNN.com: Fitness trainer's intentional weight rollercoasterEditor's note: This post is part of the Overheard on CNN.com series, a regular feature that examines interesting comments and thought-provoking conversations posted by the community. Since he revealed his re-svelte body on “Good Morning America” this week, “Fit2Fat2Fit” fitness trainer Drew Manning has sparked both inspiration and controversy about the lessons to be learned from his experiment. Readers on CNN were quick to participate in the conversation. Manning, who lost 70 pounds just 6 months after he purposely gained it, has drawn praise from some. They said the strategy shows his desire to grow in understanding his clients’ weight loss struggles:
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Get a behind-the-scenes look at the latest stories from CNN Chief Medical Correspondent, Dr. Sanjay Gupta, Senior Medical Correspondent Elizabeth Cohen and the CNN Medical Unit producers. They'll share news and views on health and medical trends - info that will help you take better care of yourself and the people you love. ![]() ![]() |
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